219640904

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 490976640

約数和(自身を除く): 271335736

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 53, 56, 86, 106, 172, 212, 301, 344, 371, 424, 602, 742, 1204, 1484, 1721, 2279, 2408, 2968, 3442, 4558, 6884, 9116, 12047, 13768, 15953, 18232, 24094, 31906, 48188, 63812, 74003, 91213, 96376, 127624, 148006, 182426, 296012, 364852, 518021, 592024, 638491, 729704, 1036042, 1276982, 2072084, 2553964, 3922159, 4144168, 5107928, 7844318, 15688636, 27455113, 31377272, 54910226, 109820452, 219640904]

約数ペア:

[(1, 219640904), (2, 109820452), (4, 54910226), (7, 31377272), (8, 27455113), (14, 15688636), (28, 7844318), (43, 5107928), (53, 4144168), (56, 3922159), (86, 2553964), (106, 2072084), (172, 1276982), (212, 1036042), (301, 729704), (344, 638491), (371, 592024), (424, 518021), (602, 364852), (742, 296012), (1204, 182426), (1484, 148006), (1721, 127624), (2279, 96376), (2408, 91213), (2968, 74003), (3442, 63812), (4558, 48188), (6884, 31906), (9116, 24094), (12047, 18232), (13768, 15953)]